%0 Journal Article %A D. R. Yafaev %T Quasiclassical asymptotics of the scattering amplitude and cross %J Doklady Akademii Nauk %D 1987 %P 334-337 %V 292 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_292_2_a17/ %G ru %F DAN_1987_292_2_a17